:root{--study-ink:#10263e;--study-teal:#087d80;--study-line:#dce9e9;--study-muted:#526b7b}
.study-shell{max-width:1080px;margin:auto;padding:46px 24px 64px}.study-eyebrow{color:var(--study-teal);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.study-shell h1{font-size:clamp(32px,5vw,52px);letter-spacing:-.04em;line-height:1.12;max-width:780px;margin:12px 0 18px}.study-intro{max-width:650px;color:var(--study-muted);font-size:17px;line-height:1.7}.study-steps{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 32px;font-size:13px;color:var(--study-muted)}.study-steps span{padding:9px 14px;border:1px solid var(--study-line);border-radius:30px;background:white}.study-steps .current{background:#10263e;color:white;border-color:#10263e}.study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.study-course{border:1px solid var(--study-line);border-radius:24px;background:white;overflow:hidden;box-shadow:0 8px 25px #10263e07}.study-course-top{background:#eef8f6;padding:25px 28px;border-bottom:1px solid var(--study-line)}.study-course:nth-child(2) .study-course-top{background:#edf3fb}.study-course h2{font-size:27px;letter-spacing:-.035em;margin:12px 0}.study-course p{line-height:1.65;color:var(--study-muted);font-size:15px}.study-course-body{padding:22px 28px}.study-course-meta{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--study-muted);margin-bottom:20px}.study-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;background:#087d80;color:white!important;font-size:14px;font-weight:750;text-decoration:none!important;border:1px solid #087d80;cursor:pointer}.study-link.secondary{background:white;color:#10263e!important;border-color:#cedede}.study-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.study-muted{color:var(--study-muted);line-height:1.7;font-size:14px}.study-library{margin-top:34px;border:1px solid var(--study-line);border-radius:18px;background:white;padding:20px}.study-library summary{cursor:pointer;font-weight:750}.study-library p{line-height:1.6;color:var(--study-muted)}.study-exam{border:1px solid #bdddd8;border-radius:22px;padding:28px;background:white}.study-exam h2{margin:0 0 10px;font-size:28px}.study-tag{display:inline-block;background:#e1f4ee;color:#15654f;padding:6px 10px;border-radius:25px;font-size:12px;font-weight:750}.study-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}.study-mode{display:flex;flex-direction:column;text-decoration:none!important;border:1px solid var(--study-line);border-radius:16px;padding:20px;color:#10263e;background:#f8fbfc}.study-mode:hover{border-color:#087d80;background:#eff8f6}.study-mode strong{font-size:17px}.study-mode p{font-size:13px;color:var(--study-muted);line-height:1.6;flex:1}.study-mode span{font-size:13px;font-weight:750;color:#087d80}.study-progress{height:7px;max-width:480px;background:#e6eeee;border-radius:7px;margin-top:22px;overflow:hidden}.study-progress span{display:block;height:100%;background:#099b91;width:0}.study-quiet{margin:25px 0;padding:18px 22px;border:1px solid var(--study-line);border-radius:16px;background:#f6fafb}.study-quiet summary{font-size:14px;font-weight:750;cursor:pointer}.study-quiet p{font-size:14px;color:var(--study-muted);line-height:1.7}.resource-toolbar{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.resource-toolbar input,.resource-toolbar select{border:1px solid #bed4d6;border-radius:12px;padding:12px 14px;background:white;font:inherit;color:#10263e;min-width:0}.resource-toolbar input{flex:1;min-width:180px}.resource-courses{display:flex;gap:8px;flex-wrap:wrap}.resource-courses button{border:1px solid #bdd5d6;border-radius:25px;background:white;padding:10px 16px;cursor:pointer;font:700 13px system-ui;color:#10263e}.resource-courses button[aria-pressed=true]{background:#10263e;color:white}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.resource-card{border:1px solid var(--study-line);border-radius:18px;background:white;padding:20px;display:flex;flex-direction:column}.resource-card h2{font-size:18px;line-height:1.4;margin:12px 0}.resource-card p{font-size:13px;line-height:1.65;color:var(--study-muted);flex:1}.resource-card img{width:100%;height:135px;object-fit:contain;background:#f4f8fa;border-radius:10px}.resource-card .study-actions{margin-top:12px}.resource-card .study-link{font-size:12px;padding:10px 12px}.resource-label{font-size:11px;font-weight:800;color:#087d80;letter-spacing:.04em}.resource-count{font-size:13px;color:var(--study-muted);margin:20px 0}.study-companion{margin:20px 0;border:1px solid #c7dfdd;border-radius:18px;padding:20px;background:#f1f9f7;color:#10263e}.study-companion h3{font-size:18px;margin:0 0 12px}.study-companion p{font-size:14px;line-height:1.7;margin:8px 0}.study-concept-nav{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.study-concept-nav button,.study-concept-nav a{border:1px solid #c0d7d8;background:white;border-radius:10px;padding:10px 12px;color:#10263e;cursor:pointer;font:600 12px system-ui;text-decoration:none}.study-concept-nav button[aria-current=true]{background:#10263e;color:white;border-color:#10263e}.study-recall{margin:12px 0;padding:14px 16px;background:white;border:1px solid #d5e5e3;border-radius:12px}.study-recall summary{cursor:pointer;font-size:14px;font-weight:750;line-height:1.5}.study-recall p{color:#355663}.study-reference-links{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.study-reference-links a{color:#087078;font:700 13px system-ui;line-height:1.6}.study-visual-image{max-width:100%;max-height:320px;object-fit:contain;border-radius:12px;background:white}.study-companion figure{margin:18px 0 0}.study-companion figcaption{font-size:12px;line-height:1.6;color:#506c78;margin-top:8px}.study-nav-group>summary{cursor:pointer;list-style:none;color:#adcdd8;font:800 11px system-ui;padding:16px 10px;text-transform:uppercase;letter-spacing:.05em}.study-nav-group>summary::after{content:' +';float:right}.study-nav-group[open]>summary::after{content:' −'}.study-nav-search{width:calc(100% - 18px);margin:12px 9px;padding:10px;border-radius:9px;border:1px solid #5c7d91;background:#173c53;color:white;font:13px system-ui}.study-nav-search::placeholder{color:#c7d8df}.study-nav-group[hidden],[hidden]{display:none!important}.study-studybar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 0 18px;font-size:12px;color:#537380}.study-studybar a{color:#087d80;text-decoration:none;font-weight:750}.study-studybar span{color:#7b959e}.study-shell :focus-visible,.study-companion :focus-visible,.study-nav-group :focus-visible{outline:3px solid #19a79b;outline-offset:3px}.study-shell .navlinks{display:flex}
@media(max-width:760px){.study-shell{padding:28px 18px 42px}.study-grid,.study-modes{grid-template-columns:1fr}.study-course-top,.study-course-body{padding:22px}.study-exam{padding:22px}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-mode{padding:18px}.study-mode p{margin:10px 0}.study-companion{padding:16px}.study-steps{gap:7px}.study-steps span{padding:7px 10px;font-size:12px}}
@media(max-width:480px){.resource-grid{grid-template-columns:1fr}.resource-toolbar input,.resource-toolbar select{width:100%}.study-actions .study-link{flex:1}.study-course h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.study-unit{border:1px solid #d4e4e4;border-radius:18px;background:white;margin:18px 0;overflow:hidden}.study-unit>summary{padding:20px;cursor:pointer;font:750 18px system-ui;color:#10263e}.study-unit>summary span{float:right;font-size:12px;color:#536f7c;margin:5px 0}.study-uslo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0 18px 18px}.study-uslo{display:flex;flex-direction:column;gap:12px;border:1px solid #d8e8e5;border-radius:14px;padding:18px;text-align:left;background:#f8fbfc;cursor:pointer;color:#10263e;font:13px/1.6 system-ui}.study-uslo:hover{background:#edf8f4;border-color:#087d80}.study-uslo strong{font-size:16px;line-height:1.4}.study-uslo>span:not(.study-eyebrow){color:#526b7b}.study-uslo b{font-size:12px;color:#087d80}.study-uslo .study-eyebrow{font-size:10px}.study-unit:focus-within{border-color:#087d80}@media(max-width:650px){.study-uslo-grid{grid-template-columns:1fr}.study-unit>summary{font-size:16px}.study-unit>summary span{font-size:11px}}